2 * Copyright (C) 2002, 2004 Anders Carlsson <andersca@gnu.org>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
23 #include <gdk/gdkkeysyms.h>
25 #include "gtkiconview.h"
26 #include "gtkmarshalers.h"
27 #include "gtkbindings.h"
30 #include "gtksignal.h"
33 #define MINIMUM_ICON_ITEM_WIDTH 100
34 #define ICON_TEXT_PADDING 3
36 #define ICON_VIEW_TOP_MARGIN 6
37 #define ICON_VIEW_BOTTOM_MARGIN 6
38 #define ICON_VIEW_LEFT_MARGIN 6
39 #define ICON_VIEW_RIGHT_MARGIN 6
40 #define ICON_VIEW_ICON_PADDING 6
42 #define GTK_ICON_VIEW_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_ICON_VIEW, GtkIconViewPrivate))
43 #define VALID_MODEL_AND_COLUMNS(obj) ((obj)->priv->model != NULL && \
44 ((obj)->priv->pixbuf_column != -1 || \
45 (obj)->priv->text_column != -1 || \
46 (obj)->priv->markup_column != -1))
59 gint pixbuf_x, pixbuf_y;
60 gint pixbuf_height, pixbuf_width;
62 gint layout_x, layout_y;
63 gint layout_width, layout_height;
66 guint selected_before_rubberbanding : 1;
69 struct _GtkIconViewPrivate
77 GtkSelectionMode selection_mode;
79 GdkWindow *bin_window;
85 GtkAdjustment *hadjustment;
86 GtkAdjustment *vadjustment;
90 gboolean doing_rubberband;
91 gint rubberband_x1, rubberband_y1;
92 gint rubberband_x2, rubberband_y2;
94 guint scroll_timeout_id;
95 gint scroll_value_diff;
96 gint event_last_x, event_last_y;
98 GtkIconViewItem *anchor_item;
99 GtkIconViewItem *cursor_item;
101 guint ctrl_pressed : 1;
102 guint shift_pressed : 1;
104 GtkIconViewItem *last_single_clicked;
113 /* Layout used to draw icon text */
116 GtkOrientation orientation;
129 ACTIVATE_CURSOR_ITEM,
145 /* GObject signals */
146 static void gtk_icon_view_finalize (GObject *object);
147 static void gtk_icon_view_set_property (GObject *object,
151 static void gtk_icon_view_get_property (GObject *object,
157 /* GtkObject signals */
158 static void gtk_icon_view_destroy (GtkObject *object);
160 /* GtkWidget signals */
161 static void gtk_icon_view_realize (GtkWidget *widget);
162 static void gtk_icon_view_unrealize (GtkWidget *widget);
163 static void gtk_icon_view_map (GtkWidget *widget);
164 static void gtk_icon_view_size_request (GtkWidget *widget,
165 GtkRequisition *requisition);
166 static void gtk_icon_view_size_allocate (GtkWidget *widget,
167 GtkAllocation *allocation);
168 static gboolean gtk_icon_view_expose (GtkWidget *widget,
169 GdkEventExpose *expose);
170 static gboolean gtk_icon_view_motion (GtkWidget *widget,
171 GdkEventMotion *event);
172 static gboolean gtk_icon_view_button_press (GtkWidget *widget,
173 GdkEventButton *event);
174 static gboolean gtk_icon_view_button_release (GtkWidget *widget,
175 GdkEventButton *event);
176 /* GtkIconView signals */
177 static void gtk_icon_view_set_adjustments (GtkIconView *icon_view,
179 GtkAdjustment *vadj);
180 static void gtk_icon_view_real_select_all (GtkIconView *icon_view);
181 static void gtk_icon_view_real_unselect_all (GtkIconView *icon_view);
182 static void gtk_icon_view_real_select_cursor_item (GtkIconView *icon_view);
183 static void gtk_icon_view_real_toggle_cursor_item (GtkIconView *icon_view);
184 static gboolean gtk_icon_view_real_activate_cursor_item (GtkIconView *icon_view);
186 /* Internal functions */
187 static void gtk_icon_view_adjustment_changed (GtkAdjustment *adjustment,
188 GtkIconView *icon_view);
189 static void gtk_icon_view_layout (GtkIconView *icon_view);
190 static void gtk_icon_view_paint_item (GtkIconView *icon_view,
191 GtkIconViewItem *item,
193 static void gtk_icon_view_paint_rubberband (GtkIconView *icon_view,
195 static void gtk_icon_view_queue_draw_item (GtkIconView *icon_view,
196 GtkIconViewItem *item);
197 static void gtk_icon_view_queue_layout (GtkIconView *icon_view);
198 static void gtk_icon_view_set_cursor_item (GtkIconView *icon_view,
199 GtkIconViewItem *item);
200 static void gtk_icon_view_start_rubberbanding (GtkIconView *icon_view,
203 static void gtk_icon_view_stop_rubberbanding (GtkIconView *icon_view);
204 static void gtk_icon_view_update_rubberband_selection (GtkIconView *icon_view);
205 static gboolean gtk_icon_view_item_hit_test (GtkIconViewItem *item,
211 static gboolean gtk_icon_view_maybe_begin_dragging_items (GtkIconView *icon_view,
212 GdkEventMotion *event);
214 static gboolean gtk_icon_view_unselect_all_internal (GtkIconView *icon_view);
215 static void gtk_icon_view_calculate_item_size (GtkIconView *icon_view,
216 GtkIconViewItem *item);
217 static void gtk_icon_view_update_rubberband (gpointer data);
218 static void gtk_icon_view_item_invalidate_size (GtkIconViewItem *item);
219 static void gtk_icon_view_invalidate_sizes (GtkIconView *icon_view);
220 static void gtk_icon_view_add_move_binding (GtkBindingSet *binding_set,
223 GtkMovementStep step,
225 static gboolean gtk_icon_view_real_move_cursor (GtkIconView *icon_view,
226 GtkMovementStep step,
228 static void gtk_icon_view_move_cursor_up_down (GtkIconView *icon_view,
230 static void gtk_icon_view_move_cursor_page_up_down (GtkIconView *icon_view,
232 static void gtk_icon_view_move_cursor_left_right (GtkIconView *icon_view,
234 static void gtk_icon_view_move_cursor_start_end (GtkIconView *icon_view,
236 static void gtk_icon_view_scroll_to_item (GtkIconView *icon_view,
237 GtkIconViewItem *item);
238 static GdkPixbuf *gtk_icon_view_get_item_icon (GtkIconView *icon_view,
239 GtkIconViewItem *item);
240 static void gtk_icon_view_update_item_text (GtkIconView *icon_view,
241 GtkIconViewItem *item);
242 static void gtk_icon_view_select_item (GtkIconView *icon_view,
243 GtkIconViewItem *item);
244 static void gtk_icon_view_unselect_item (GtkIconView *icon_view,
245 GtkIconViewItem *item);
246 static gboolean gtk_icon_view_select_all_between (GtkIconView *icon_view,
247 GtkIconViewItem *anchor,
248 GtkIconViewItem *cursor);
250 static GtkIconViewItem *gtk_icon_view_get_item_at_pos (GtkIconView *icon_view,
258 static GtkContainerClass *parent_class = NULL;
259 static guint icon_view_signals[LAST_SIGNAL] = { 0 };
261 G_DEFINE_TYPE (GtkIconView, gtk_icon_view, GTK_TYPE_CONTAINER);
264 gtk_icon_view_class_init (GtkIconViewClass *klass)
266 GObjectClass *gobject_class;
267 GtkObjectClass *object_class;
268 GtkWidgetClass *widget_class;
269 GtkBindingSet *binding_set;
271 parent_class = g_type_class_peek_parent (klass);
272 binding_set = gtk_binding_set_by_class (klass);
274 g_type_class_add_private (klass, sizeof (GtkIconViewPrivate));
276 gobject_class = (GObjectClass *) klass;
277 object_class = (GtkObjectClass *) klass;
278 widget_class = (GtkWidgetClass *) klass;
280 gobject_class->finalize = gtk_icon_view_finalize;
281 gobject_class->set_property = gtk_icon_view_set_property;
282 gobject_class->get_property = gtk_icon_view_get_property;
284 object_class->destroy = gtk_icon_view_destroy;
286 widget_class->realize = gtk_icon_view_realize;
287 widget_class->unrealize = gtk_icon_view_unrealize;
288 widget_class->map = gtk_icon_view_map;
289 widget_class->size_request = gtk_icon_view_size_request;
290 widget_class->size_allocate = gtk_icon_view_size_allocate;
291 widget_class->expose_event = gtk_icon_view_expose;
292 widget_class->motion_notify_event = gtk_icon_view_motion;
293 widget_class->button_press_event = gtk_icon_view_button_press;
294 widget_class->button_release_event = gtk_icon_view_button_release;
296 klass->set_scroll_adjustments = gtk_icon_view_set_adjustments;
297 klass->select_all = gtk_icon_view_real_select_all;
298 klass->unselect_all = gtk_icon_view_real_unselect_all;
299 klass->select_cursor_item = gtk_icon_view_real_select_cursor_item;
300 klass->toggle_cursor_item = gtk_icon_view_real_toggle_cursor_item;
301 klass->activate_cursor_item = gtk_icon_view_real_activate_cursor_item;
302 klass->move_cursor = gtk_icon_view_real_move_cursor;
306 * GtkIconView:selection-mode:
308 * The ::selection-mode property specifies the selection mode of
309 * icon view. If the mode is #GTK_SELECTION_MULTIPLE, rubberband selection
310 * is enabled, for the other modes, only keyboard selection is possible.
314 g_object_class_install_property (gobject_class,
316 g_param_spec_enum ("selection_mode",
317 P_("Selection mode"),
318 P_("The selection mode"),
319 GTK_TYPE_SELECTION_MODE,
320 GTK_SELECTION_SINGLE,
324 * GtkIconView:pixbuf-column:
326 * The ::pixbuf-column property contains the number of the model column
327 * containing the pixbufs which are displayed. The pixbuf column must be
328 * of type #GDK_TYPE_PIXBUF. Setting this property to -1 turns off the
329 * display of pixbufs.
333 g_object_class_install_property (gobject_class,
335 g_param_spec_int ("pixbuf_column",
337 P_("Model column used to retrieve the icon pixbuf from"),
342 * GtkIconView:text-column:
344 * The ::text-column property contains the number of the model column
345 * containing the texts which are displayed. The text column must be
346 * of type #G_TYPE_STRING. If this property and the :markup-column
347 * property are both set to -1, no texts are displayed.
351 g_object_class_install_property (gobject_class,
353 g_param_spec_int ("text_column",
355 P_("Model column used to retrieve the text from"),
361 * GtkIconView:markup-column:
363 * The ::markup-column property contains the number of the model column
364 * containing markup information to be displayed. The markup column must be
365 * of type #G_TYPE_STRING. If this property and the :text-column property
366 * are both set to column numbers, it overrides the text column.
367 * If both are set to -1, no texts are displayed.
371 g_object_class_install_property (gobject_class,
373 g_param_spec_int ("markup_column",
375 P_("Model column used to retrieve the text if using Pango markup"),
379 g_object_class_install_property (gobject_class,
381 g_param_spec_object ("model",
382 P_("Icon View Model"),
383 P_("The model for the icon view"),
387 g_object_class_install_property (gobject_class,
389 g_param_spec_enum ("orientation",
391 P_("How the text and icon of each item are positioned relative to each other"),
392 GTK_TYPE_ORIENTATION,
393 GTK_ORIENTATION_VERTICAL,
396 /* Style properties */
397 gtk_widget_class_install_style_property (widget_class,
398 g_param_spec_boxed ("selection_box_color",
399 P_("Selection Box Color"),
400 P_("Color of the selection box"),
404 gtk_widget_class_install_style_property (widget_class,
405 g_param_spec_uchar ("selection_box_alpha",
406 P_("Selection Box Alpha"),
407 P_("Opacity of the selection box"),
413 widget_class->set_scroll_adjustments_signal =
414 g_signal_new ("set_scroll_adjustments",
415 G_TYPE_FROM_CLASS (gobject_class),
417 G_STRUCT_OFFSET (GtkIconViewClass, set_scroll_adjustments),
419 _gtk_marshal_VOID__OBJECT_OBJECT,
421 GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
423 icon_view_signals[ITEM_ACTIVATED] =
424 g_signal_new ("item_activated",
425 G_TYPE_FROM_CLASS (gobject_class),
427 G_STRUCT_OFFSET (GtkIconViewClass, item_activated),
429 g_cclosure_marshal_VOID__BOXED,
433 icon_view_signals[SELECTION_CHANGED] =
434 g_signal_new ("selection_changed",
435 G_TYPE_FROM_CLASS (gobject_class),
437 G_STRUCT_OFFSET (GtkIconViewClass, selection_changed),
439 g_cclosure_marshal_VOID__VOID,
442 icon_view_signals[SELECT_ALL] =
443 g_signal_new ("select_all",
444 G_TYPE_FROM_CLASS (gobject_class),
445 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
446 G_STRUCT_OFFSET (GtkIconViewClass, select_all),
448 g_cclosure_marshal_VOID__VOID,
451 icon_view_signals[UNSELECT_ALL] =
452 g_signal_new ("unselect_all",
453 G_TYPE_FROM_CLASS (gobject_class),
454 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
455 G_STRUCT_OFFSET (GtkIconViewClass, unselect_all),
457 g_cclosure_marshal_VOID__VOID,
460 icon_view_signals[SELECT_CURSOR_ITEM] =
461 g_signal_new ("select_cursor_item",
462 G_TYPE_FROM_CLASS (gobject_class),
463 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
464 G_STRUCT_OFFSET (GtkIconViewClass, select_cursor_item),
466 g_cclosure_marshal_VOID__VOID,
469 icon_view_signals[TOGGLE_CURSOR_ITEM] =
470 g_signal_new ("toggle_cursor_item",
471 G_TYPE_FROM_CLASS (gobject_class),
472 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
473 G_STRUCT_OFFSET (GtkIconViewClass, toggle_cursor_item),
475 g_cclosure_marshal_VOID__VOID,
478 icon_view_signals[ACTIVATE_CURSOR_ITEM] =
479 g_signal_new ("activate_cursor_item",
480 G_TYPE_FROM_CLASS (gobject_class),
481 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
482 G_STRUCT_OFFSET (GtkIconViewClass, activate_cursor_item),
484 _gtk_marshal_BOOLEAN__VOID,
487 icon_view_signals[MOVE_CURSOR] =
488 g_signal_new ("move_cursor",
489 G_TYPE_FROM_CLASS (gobject_class),
490 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
491 G_STRUCT_OFFSET (GtkIconViewClass, move_cursor),
493 _gtk_marshal_BOOLEAN__ENUM_INT,
495 GTK_TYPE_MOVEMENT_STEP,
499 gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK, "select_all", 0);
500 gtk_binding_entry_add_signal (binding_set, GDK_a, GDK_CONTROL_MASK | GDK_SHIFT_MASK, "unselect_all", 0);
501 gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "select_cursor_item", 0);
502 gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK, "toggle_cursor_item", 0);
504 gtk_binding_entry_add_signal (binding_set, GDK_Return, 0, "activate_cursor_item", 0);
505 gtk_binding_entry_add_signal (binding_set, GDK_ISO_Enter, 0, "activate_cursor_item", 0);
506 gtk_binding_entry_add_signal (binding_set, GDK_KP_Enter, 0, "activate_cursor_item", 0);
508 gtk_icon_view_add_move_binding (binding_set, GDK_Up, 0,
509 GTK_MOVEMENT_DISPLAY_LINES, -1);
510 gtk_icon_view_add_move_binding (binding_set, GDK_KP_Up, 0,
511 GTK_MOVEMENT_DISPLAY_LINES, -1);
513 gtk_icon_view_add_move_binding (binding_set, GDK_Down, 0,
514 GTK_MOVEMENT_DISPLAY_LINES, 1);
515 gtk_icon_view_add_move_binding (binding_set, GDK_KP_Down, 0,
516 GTK_MOVEMENT_DISPLAY_LINES, 1);
518 gtk_icon_view_add_move_binding (binding_set, GDK_p, GDK_CONTROL_MASK,
519 GTK_MOVEMENT_DISPLAY_LINES, -1);
521 gtk_icon_view_add_move_binding (binding_set, GDK_n, GDK_CONTROL_MASK,
522 GTK_MOVEMENT_DISPLAY_LINES, 1);
524 gtk_icon_view_add_move_binding (binding_set, GDK_Home, 0,
525 GTK_MOVEMENT_BUFFER_ENDS, -1);
526 gtk_icon_view_add_move_binding (binding_set, GDK_KP_Home, 0,
527 GTK_MOVEMENT_BUFFER_ENDS, -1);
529 gtk_icon_view_add_move_binding (binding_set, GDK_End, 0,
530 GTK_MOVEMENT_BUFFER_ENDS, 1);
531 gtk_icon_view_add_move_binding (binding_set, GDK_KP_End, 0,
532 GTK_MOVEMENT_BUFFER_ENDS, 1);
534 gtk_icon_view_add_move_binding (binding_set, GDK_Page_Up, 0,
535 GTK_MOVEMENT_PAGES, -1);
536 gtk_icon_view_add_move_binding (binding_set, GDK_KP_Page_Up, 0,
537 GTK_MOVEMENT_PAGES, -1);
539 gtk_icon_view_add_move_binding (binding_set, GDK_Page_Down, 0,
540 GTK_MOVEMENT_PAGES, 1);
541 gtk_icon_view_add_move_binding (binding_set, GDK_KP_Page_Down, 0,
542 GTK_MOVEMENT_PAGES, 1);
544 gtk_icon_view_add_move_binding (binding_set, GDK_Right, 0,
545 GTK_MOVEMENT_VISUAL_POSITIONS, 1);
546 gtk_icon_view_add_move_binding (binding_set, GDK_Left, 0,
547 GTK_MOVEMENT_VISUAL_POSITIONS, -1);
549 gtk_icon_view_add_move_binding (binding_set, GDK_KP_Right, 0,
550 GTK_MOVEMENT_VISUAL_POSITIONS, 1);
551 gtk_icon_view_add_move_binding (binding_set, GDK_KP_Left, 0,
552 GTK_MOVEMENT_VISUAL_POSITIONS, -1);
556 gtk_icon_view_init (GtkIconView *icon_view)
558 icon_view->priv = GTK_ICON_VIEW_GET_PRIVATE (icon_view);
560 icon_view->priv->width = 0;
561 icon_view->priv->height = 0;
562 icon_view->priv->selection_mode = GTK_SELECTION_SINGLE;
564 icon_view->priv->pressed_button = -1;
565 icon_view->priv->press_start_x = -1;
566 icon_view->priv->press_start_y = -1;
568 icon_view->priv->text_column = -1;
569 icon_view->priv->markup_column = -1;
570 icon_view->priv->pixbuf_column = -1;
572 icon_view->priv->layout = gtk_widget_create_pango_layout (GTK_WIDGET (icon_view), NULL);
574 pango_layout_set_wrap (icon_view->priv->layout, PANGO_WRAP_WORD_CHAR);
576 GTK_WIDGET_SET_FLAGS (icon_view, GTK_CAN_FOCUS);
578 gtk_icon_view_set_adjustments (icon_view, NULL, NULL);
580 icon_view->priv->orientation = GTK_ORIENTATION_VERTICAL;
584 gtk_icon_view_destroy (GtkObject *object)
586 GtkIconView *icon_view;
588 icon_view = GTK_ICON_VIEW (object);
590 gtk_icon_view_set_model (icon_view, NULL);
592 if (icon_view->priv->layout_idle_id != 0)
593 g_source_remove (icon_view->priv->layout_idle_id);
595 if (icon_view->priv->scroll_timeout_id != 0)
596 g_source_remove (icon_view->priv->scroll_timeout_id);
598 (GTK_OBJECT_CLASS (parent_class)->destroy) (object);
601 /* GObject methods */
603 gtk_icon_view_finalize (GObject *object)
605 GtkIconView *icon_view;
607 icon_view = GTK_ICON_VIEW (object);
609 g_object_unref (icon_view->priv->layout);
611 (G_OBJECT_CLASS (parent_class)->finalize) (object);
616 gtk_icon_view_set_property (GObject *object,
621 GtkIconView *icon_view;
623 icon_view = GTK_ICON_VIEW (object);
627 case PROP_SELECTION_MODE:
628 gtk_icon_view_set_selection_mode (icon_view, g_value_get_enum (value));
630 case PROP_PIXBUF_COLUMN:
631 gtk_icon_view_set_pixbuf_column (icon_view, g_value_get_int (value));
633 case PROP_TEXT_COLUMN:
634 gtk_icon_view_set_text_column (icon_view, g_value_get_int (value));
636 case PROP_MARKUP_COLUMN:
637 gtk_icon_view_set_markup_column (icon_view, g_value_get_int (value));
640 gtk_icon_view_set_model (icon_view, g_value_get_object (value));
642 case PROP_ORIENTATION:
643 gtk_icon_view_set_orientation (icon_view, g_value_get_enum (value));
647 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
653 gtk_icon_view_get_property (GObject *object,
658 GtkIconView *icon_view;
660 icon_view = GTK_ICON_VIEW (object);
664 case PROP_SELECTION_MODE:
665 g_value_set_enum (value, icon_view->priv->selection_mode);
667 case PROP_PIXBUF_COLUMN:
668 g_value_set_int (value, icon_view->priv->pixbuf_column);
670 case PROP_TEXT_COLUMN:
671 g_value_set_int (value, icon_view->priv->text_column);
673 case PROP_MARKUP_COLUMN:
674 g_value_set_int (value, icon_view->priv->markup_column);
677 g_value_set_object (value, icon_view->priv->model);
679 case PROP_ORIENTATION:
680 g_value_set_enum (value, icon_view->priv->orientation);
683 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
688 /* GtkWidget signals */
690 gtk_icon_view_realize (GtkWidget *widget)
692 GtkIconView *icon_view;
693 GdkWindowAttr attributes;
694 gint attributes_mask;
696 icon_view = GTK_ICON_VIEW (widget);
698 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
700 /* Make the main, clipping window */
701 attributes.window_type = GDK_WINDOW_CHILD;
702 attributes.x = widget->allocation.x;
703 attributes.y = widget->allocation.y;
704 attributes.width = widget->allocation.width;
705 attributes.height = widget->allocation.height;
706 attributes.wclass = GDK_INPUT_OUTPUT;
707 attributes.visual = gtk_widget_get_visual (widget);
708 attributes.colormap = gtk_widget_get_colormap (widget);
709 attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;
711 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
713 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
714 &attributes, attributes_mask);
715 gdk_window_set_user_data (widget->window, widget);
717 /* Make the window for the icon view */
720 attributes.width = MAX (icon_view->priv->width, widget->allocation.width);
721 attributes.height = MAX (icon_view->priv->height, widget->allocation.height);
722 attributes.event_mask = (GDK_EXPOSURE_MASK |
724 GDK_POINTER_MOTION_MASK |
725 GDK_BUTTON_PRESS_MASK |
726 GDK_BUTTON_RELEASE_MASK |
728 GDK_KEY_RELEASE_MASK) |
729 gtk_widget_get_events (widget);
731 icon_view->priv->bin_window = gdk_window_new (widget->window,
732 &attributes, attributes_mask);
733 gdk_window_set_user_data (icon_view->priv->bin_window, widget);
735 widget->style = gtk_style_attach (widget->style, widget->window);
736 gdk_window_set_background (icon_view->priv->bin_window, &widget->style->base[widget->state]);
737 gdk_window_set_background (widget->window, &widget->style->base[widget->state]);
741 gtk_icon_view_unrealize (GtkWidget *widget)
743 GtkIconView *icon_view;
745 icon_view = GTK_ICON_VIEW (widget);
747 gdk_window_set_user_data (icon_view->priv->bin_window, NULL);
748 gdk_window_destroy (icon_view->priv->bin_window);
749 icon_view->priv->bin_window = NULL;
751 /* GtkWidget::unrealize destroys children and widget->window */
752 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
753 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
757 gtk_icon_view_map (GtkWidget *widget)
759 GtkIconView *icon_view;
761 icon_view = GTK_ICON_VIEW (widget);
763 GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
765 gdk_window_show (icon_view->priv->bin_window);
766 gdk_window_show (widget->window);
770 gtk_icon_view_size_request (GtkWidget *widget,
771 GtkRequisition *requisition)
773 GtkIconView *icon_view;
775 icon_view = GTK_ICON_VIEW (widget);
777 requisition->width = icon_view->priv->width;
778 requisition->height = icon_view->priv->height;
782 gtk_icon_view_size_allocate (GtkWidget *widget,
783 GtkAllocation *allocation)
785 GtkIconView *icon_view;
787 widget->allocation = *allocation;
789 icon_view = GTK_ICON_VIEW (widget);
791 if (GTK_WIDGET_REALIZED (widget))
793 gdk_window_move_resize (widget->window,
794 allocation->x, allocation->y,
795 allocation->width, allocation->height);
796 gdk_window_resize (icon_view->priv->bin_window,
797 MAX (icon_view->priv->width, allocation->width),
798 MAX (icon_view->priv->height, allocation->height));
801 icon_view->priv->hadjustment->page_size = allocation->width;
802 icon_view->priv->hadjustment->page_increment = allocation->width * 0.9;
803 icon_view->priv->hadjustment->step_increment = allocation->width * 0.1;
804 icon_view->priv->hadjustment->lower = 0;
805 icon_view->priv->hadjustment->upper = MAX (allocation->width, icon_view->priv->width);
806 gtk_adjustment_changed (icon_view->priv->hadjustment);
808 icon_view->priv->vadjustment->page_size = allocation->height;
809 icon_view->priv->vadjustment->page_increment = allocation->height * 0.9;
810 icon_view->priv->vadjustment->step_increment = allocation->width * 0.1;
811 icon_view->priv->vadjustment->lower = 0;
812 icon_view->priv->vadjustment->upper = MAX (allocation->height, icon_view->priv->height);
813 gtk_adjustment_changed (icon_view->priv->vadjustment);
815 gtk_icon_view_layout (icon_view);
819 gtk_icon_view_expose (GtkWidget *widget,
820 GdkEventExpose *expose)
822 GtkIconView *icon_view;
825 icon_view = GTK_ICON_VIEW (widget);
827 if (expose->window != icon_view->priv->bin_window)
830 for (icons = icon_view->priv->items; icons; icons = icons->next) {
831 GtkIconViewItem *item = icons->data;
832 GdkRectangle item_rectangle;
834 item_rectangle.x = item->x;
835 item_rectangle.y = item->y;
836 item_rectangle.width = item->width;
837 item_rectangle.height = item->height;
839 if (gdk_region_rect_in (expose->region, &item_rectangle) == GDK_OVERLAP_RECTANGLE_OUT)
842 gtk_icon_view_paint_item (icon_view, item, &expose->area);
845 if (icon_view->priv->doing_rubberband)
847 GdkRectangle *rectangles;
850 gdk_region_get_rectangles (expose->region,
854 while (n_rectangles--)
855 gtk_icon_view_paint_rubberband (icon_view, &rectangles[n_rectangles]);
864 scroll_timeout (gpointer data)
866 GtkIconView *icon_view;
871 value = MIN (icon_view->priv->vadjustment->value +
872 icon_view->priv->scroll_value_diff,
873 icon_view->priv->vadjustment->upper -
874 icon_view->priv->vadjustment->page_size);
876 gtk_adjustment_set_value (icon_view->priv->vadjustment,
879 gtk_icon_view_update_rubberband (icon_view);
885 gtk_icon_view_motion (GtkWidget *widget,
886 GdkEventMotion *event)
888 GtkIconView *icon_view;
891 icon_view = GTK_ICON_VIEW (widget);
893 gtk_icon_view_maybe_begin_dragging_items (icon_view, event);
895 if (icon_view->priv->doing_rubberband)
897 gtk_icon_view_update_rubberband (widget);
899 abs_y = event->y - icon_view->priv->height *
900 (icon_view->priv->vadjustment->value /
901 (icon_view->priv->vadjustment->upper -
902 icon_view->priv->vadjustment->lower));
904 if (abs_y < 0 || abs_y > widget->allocation.height)
906 if (icon_view->priv->scroll_timeout_id == 0)
907 icon_view->priv->scroll_timeout_id = g_timeout_add (30, scroll_timeout, icon_view);
910 icon_view->priv->scroll_value_diff = abs_y;
912 icon_view->priv->scroll_value_diff = abs_y - widget->allocation.height;
914 icon_view->priv->event_last_x = event->x;
915 icon_view->priv->event_last_y = event->y;
917 else if (icon_view->priv->scroll_timeout_id != 0)
919 g_source_remove (icon_view->priv->scroll_timeout_id);
921 icon_view->priv->scroll_timeout_id = 0;
929 gtk_icon_view_button_press (GtkWidget *widget,
930 GdkEventButton *event)
932 GtkIconView *icon_view;
933 GtkIconViewItem *item;
934 gboolean dirty = FALSE;
936 icon_view = GTK_ICON_VIEW (widget);
938 if (event->window != icon_view->priv->bin_window)
941 if (!GTK_WIDGET_HAS_FOCUS (widget))
942 gtk_widget_grab_focus (widget);
944 if (event->button == 1 && event->type == GDK_BUTTON_PRESS)
947 item = gtk_icon_view_get_item_at_pos (icon_view,
952 gtk_icon_view_scroll_to_item (icon_view, item);
954 if (icon_view->priv->selection_mode == GTK_SELECTION_NONE)
956 gtk_icon_view_set_cursor_item (icon_view, item);
958 else if (icon_view->priv->selection_mode == GTK_SELECTION_MULTIPLE &&
959 (event->state & GDK_SHIFT_MASK))
961 gtk_icon_view_unselect_all_internal (icon_view);
963 gtk_icon_view_set_cursor_item (icon_view, item);
964 if (!icon_view->priv->anchor_item)
965 icon_view->priv->anchor_item = item;
967 gtk_icon_view_select_all_between (icon_view,
968 icon_view->priv->anchor_item,
974 if ((icon_view->priv->selection_mode == GTK_SELECTION_MULTIPLE ||
975 ((icon_view->priv->selection_mode == GTK_SELECTION_SINGLE) && item->selected)) &&
976 (event->state & GDK_CONTROL_MASK))
978 item->selected = !item->selected;
979 gtk_icon_view_queue_draw_item (icon_view, item);
986 gtk_icon_view_unselect_all_internal (icon_view);
988 item->selected = TRUE;
989 gtk_icon_view_queue_draw_item (icon_view, item);
993 gtk_icon_view_set_cursor_item (icon_view, item);
994 icon_view->priv->anchor_item = item;
997 /* Save press to possibly begin a drag */
998 if (icon_view->priv->pressed_button < 0)
1000 icon_view->priv->pressed_button = event->button;
1001 icon_view->priv->press_start_x = event->x;
1002 icon_view->priv->press_start_y = event->y;
1005 if (!icon_view->priv->last_single_clicked)
1006 icon_view->priv->last_single_clicked = item;
1010 if (icon_view->priv->selection_mode != GTK_SELECTION_BROWSE &&
1011 !(event->state & GDK_CONTROL_MASK))
1013 dirty = gtk_icon_view_unselect_all_internal (icon_view);
1016 if (icon_view->priv->selection_mode == GTK_SELECTION_MULTIPLE)
1017 gtk_icon_view_start_rubberbanding (icon_view, event->x, event->y);
1022 if (event->button == 1 && event->type == GDK_2BUTTON_PRESS)
1024 item = gtk_icon_view_get_item_at_pos (icon_view,
1025 event->x, event->y);
1027 if (item && item == icon_view->priv->last_single_clicked)
1031 path = gtk_tree_path_new_from_indices (item->index, -1);
1032 gtk_icon_view_item_activated (icon_view, path);
1033 gtk_tree_path_free (path);
1036 icon_view->priv->last_single_clicked = NULL;
1040 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
1042 return event->button == 1;
1046 gtk_icon_view_button_release (GtkWidget *widget,
1047 GdkEventButton *event)
1049 GtkIconView *icon_view;
1051 icon_view = GTK_ICON_VIEW (widget);
1054 if (icon_view->priv->pressed_button == event->button)
1055 icon_view->priv->pressed_button = -1;
1057 gtk_icon_view_stop_rubberbanding (icon_view);
1059 if (icon_view->priv->scroll_timeout_id != 0)
1061 g_source_remove (icon_view->priv->scroll_timeout_id);
1062 icon_view->priv->scroll_timeout_id = 0;
1069 gtk_icon_view_update_rubberband (gpointer data)
1071 GtkIconView *icon_view;
1073 GdkRectangle old_area;
1074 GdkRectangle new_area;
1075 GdkRectangle common;
1076 GdkRegion *invalid_region;
1078 icon_view = GTK_ICON_VIEW (data);
1080 gdk_window_get_pointer (icon_view->priv->bin_window, &x, &y, NULL);
1085 old_area.x = MIN (icon_view->priv->rubberband_x1,
1086 icon_view->priv->rubberband_x2);
1087 old_area.y = MIN (icon_view->priv->rubberband_y1,
1088 icon_view->priv->rubberband_y2);
1089 old_area.width = ABS (icon_view->priv->rubberband_x2 -
1090 icon_view->priv->rubberband_x1) + 1;
1091 old_area.height = ABS (icon_view->priv->rubberband_y2 -
1092 icon_view->priv->rubberband_y1) + 1;
1094 new_area.x = MIN (icon_view->priv->rubberband_x1, x);
1095 new_area.y = MIN (icon_view->priv->rubberband_y1, y);
1096 new_area.width = ABS (x - icon_view->priv->rubberband_x1) + 1;
1097 new_area.height = ABS (y - icon_view->priv->rubberband_y1) + 1;
1099 invalid_region = gdk_region_rectangle (&old_area);
1100 gdk_region_union_with_rect (invalid_region, &new_area);
1102 gdk_rectangle_intersect (&old_area, &new_area, &common);
1103 if (common.width > 2 && common.height > 2)
1105 GdkRegion *common_region;
1107 /* make sure the border is invalidated */
1113 common_region = gdk_region_rectangle (&common);
1115 gdk_region_subtract (invalid_region, common_region);
1116 gdk_region_destroy (common_region);
1119 gdk_window_invalidate_region (icon_view->priv->bin_window, invalid_region, TRUE);
1121 gdk_region_destroy (invalid_region);
1123 icon_view->priv->rubberband_x2 = x;
1124 icon_view->priv->rubberband_y2 = y;
1126 gtk_icon_view_update_rubberband_selection (icon_view);
1130 gtk_icon_view_start_rubberbanding (GtkIconView *icon_view,
1136 g_assert (!icon_view->priv->doing_rubberband);
1138 for (items = icon_view->priv->items; items; items = items->next)
1140 GtkIconViewItem *item = items->data;
1142 item->selected_before_rubberbanding = item->selected;
1145 icon_view->priv->rubberband_x1 = x;
1146 icon_view->priv->rubberband_y1 = y;
1147 icon_view->priv->rubberband_x2 = x;
1148 icon_view->priv->rubberband_y2 = y;
1150 icon_view->priv->doing_rubberband = TRUE;
1152 gtk_grab_add (GTK_WIDGET (icon_view));
1156 gtk_icon_view_stop_rubberbanding (GtkIconView *icon_view)
1158 if (!icon_view->priv->doing_rubberband)
1161 icon_view->priv->doing_rubberband = FALSE;
1163 gtk_grab_remove (GTK_WIDGET (icon_view));
1165 gtk_widget_queue_draw (GTK_WIDGET (icon_view));
1169 gtk_icon_view_update_rubberband_selection (GtkIconView *icon_view)
1172 gint x, y, width, height;
1173 gboolean dirty = FALSE;
1175 x = MIN (icon_view->priv->rubberband_x1,
1176 icon_view->priv->rubberband_x2);
1177 y = MIN (icon_view->priv->rubberband_y1,
1178 icon_view->priv->rubberband_y2);
1179 width = ABS (icon_view->priv->rubberband_x1 -
1180 icon_view->priv->rubberband_x2);
1181 height = ABS (icon_view->priv->rubberband_y1 -
1182 icon_view->priv->rubberband_y2);
1184 for (items = icon_view->priv->items; items; items = items->next)
1186 GtkIconViewItem *item = items->data;
1190 is_in = gtk_icon_view_item_hit_test (item, x, y, width, height);
1192 selected = is_in ^ item->selected_before_rubberbanding;
1194 if (item->selected != selected)
1196 item->selected = selected;
1198 gtk_icon_view_queue_draw_item (icon_view, item);
1203 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
1207 gtk_icon_view_item_hit_test (GtkIconViewItem *item,
1213 /* First try the pixbuf */
1214 if (MIN (x + width, item->pixbuf_x + item->pixbuf_width) - MAX (x, item->pixbuf_x) > 0 &&
1215 MIN (y + height, item->pixbuf_y + item->pixbuf_height) - MAX (y, item->pixbuf_y) > 0)
1218 /* Then try the text */
1219 if (MIN (x + width, item->layout_x + item->layout_width) - MAX (x, item->layout_x) > 0 &&
1220 MIN (y + height, item->layout_y + item->layout_height) - MAX (y, item->layout_y) > 0)
1228 gtk_icon_view_maybe_begin_dragging_items (GtkIconView *icon_view,
1229 GdkEventMotion *event)
1231 gboolean retval = FALSE;
1233 if (icon_view->priv->pressed_button < 0)
1236 if (!gtk_drag_check_threshold (GTK_WIDGET (icon_view),
1237 icon_view->priv->press_start_x,
1238 icon_view->priv->press_start_y,
1239 event->x, event->y))
1242 button = icon_view->priv->pressed_button;
1243 icon_view->priv->pressed_button = -1;
1246 static GtkTargetEntry row_targets[] = {
1247 { "GTK_ICON_VIEW_ITEMS", GTK_TARGET_SAME_APP, 0 }
1249 GtkTargetList *target_list;
1250 GdkDragContext *context;
1251 GtkIconViewItem *item;
1255 target_list = gtk_target_list_new (row_targets, G_N_ELEMENTS (row_targets));
1257 context = gtk_drag_begin (GTK_WIDGET (icon_view),
1258 target_list, GDK_ACTION_MOVE,
1262 item = gtk_icon_view_get_item_at_pos (icon_view,
1263 icon_view->priv->press_start_x,
1264 icon_view->priv->press_start_y);
1265 g_assert (item != NULL);
1266 gtk_drag_set_icon_pixbuf (context, gtk_icon_view_get_item_icon (icon_view, item),
1268 event->y - item->y);
1276 gtk_icon_view_unselect_all_internal (GtkIconView *icon_view)
1278 gboolean dirty = FALSE;
1281 if (icon_view->priv->selection_mode == GTK_SELECTION_NONE)
1284 for (items = icon_view->priv->items; items; items = items->next)
1286 GtkIconViewItem *item = items->data;
1290 item->selected = FALSE;
1292 gtk_icon_view_queue_draw_item (icon_view, item);
1300 /* GtkIconView signals */
1302 gtk_icon_view_set_adjustments (GtkIconView *icon_view,
1303 GtkAdjustment *hadj,
1304 GtkAdjustment *vadj)
1306 gboolean need_adjust = FALSE;
1309 g_return_if_fail (GTK_IS_ADJUSTMENT (hadj));
1311 hadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
1313 g_return_if_fail (GTK_IS_ADJUSTMENT (vadj));
1315 vadj = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0));
1317 if (icon_view->priv->hadjustment && (icon_view->priv->hadjustment != hadj))
1319 g_signal_handlers_disconnect_matched (icon_view->priv->hadjustment, G_SIGNAL_MATCH_DATA,
1320 0, 0, NULL, NULL, icon_view);
1321 g_object_unref (icon_view->priv->hadjustment);
1324 if (icon_view->priv->vadjustment && (icon_view->priv->vadjustment != vadj))
1326 g_signal_handlers_disconnect_matched (icon_view->priv->vadjustment, G_SIGNAL_MATCH_DATA,
1327 0, 0, NULL, NULL, icon_view);
1328 g_object_unref (icon_view->priv->vadjustment);
1331 if (icon_view->priv->hadjustment != hadj)
1333 icon_view->priv->hadjustment = hadj;
1334 g_object_ref (icon_view->priv->hadjustment);
1335 gtk_object_sink (GTK_OBJECT (icon_view->priv->hadjustment));
1337 g_signal_connect (icon_view->priv->hadjustment, "value_changed",
1338 G_CALLBACK (gtk_icon_view_adjustment_changed),
1343 if (icon_view->priv->vadjustment != vadj)
1345 icon_view->priv->vadjustment = vadj;
1346 g_object_ref (icon_view->priv->vadjustment);
1347 gtk_object_sink (GTK_OBJECT (icon_view->priv->vadjustment));
1349 g_signal_connect (icon_view->priv->vadjustment, "value_changed",
1350 G_CALLBACK (gtk_icon_view_adjustment_changed),
1356 gtk_icon_view_adjustment_changed (NULL, icon_view);
1360 gtk_icon_view_real_select_all (GtkIconView *icon_view)
1362 gtk_icon_view_select_all (icon_view);
1366 gtk_icon_view_real_unselect_all (GtkIconView *icon_view)
1368 gtk_icon_view_unselect_all (icon_view);
1372 gtk_icon_view_real_select_cursor_item (GtkIconView *icon_view)
1374 gtk_icon_view_unselect_all (icon_view);
1376 if (icon_view->priv->cursor_item != NULL)
1377 gtk_icon_view_select_item (icon_view, icon_view->priv->cursor_item);
1381 gtk_icon_view_real_activate_cursor_item (GtkIconView *icon_view)
1385 if (!icon_view->priv->cursor_item)
1388 path = gtk_tree_path_new_from_indices (icon_view->priv->cursor_item->index, -1);
1390 gtk_icon_view_item_activated (icon_view, path);
1392 gtk_tree_path_free (path);
1398 gtk_icon_view_real_toggle_cursor_item (GtkIconView *icon_view)
1400 if (!icon_view->priv->cursor_item)
1403 switch (icon_view->priv->selection_mode)
1405 case GTK_SELECTION_NONE:
1407 case GTK_SELECTION_BROWSE:
1408 gtk_icon_view_select_item (icon_view, icon_view->priv->cursor_item);
1410 case GTK_SELECTION_SINGLE:
1411 if (icon_view->priv->cursor_item->selected)
1412 gtk_icon_view_unselect_item (icon_view, icon_view->priv->cursor_item);
1414 gtk_icon_view_select_item (icon_view, icon_view->priv->cursor_item);
1416 case GTK_SELECTION_MULTIPLE:
1417 icon_view->priv->cursor_item->selected = !icon_view->priv->cursor_item->selected;
1418 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
1420 gtk_icon_view_queue_draw_item (icon_view, icon_view->priv->cursor_item);
1425 /* Internal functions */
1427 gtk_icon_view_adjustment_changed (GtkAdjustment *adjustment,
1428 GtkIconView *icon_view)
1430 if (GTK_WIDGET_REALIZED (icon_view))
1432 gdk_window_move (icon_view->priv->bin_window,
1433 - icon_view->priv->hadjustment->value,
1434 - icon_view->priv->vadjustment->value);
1436 if (icon_view->priv->doing_rubberband)
1437 gtk_icon_view_update_rubberband (GTK_WIDGET (icon_view));
1439 gdk_window_process_updates (icon_view->priv->bin_window, TRUE);
1444 gtk_icon_view_layout_single_row (GtkIconView *icon_view, GList *first_item, gint *y, gint *maximum_width, gint row)
1446 gint focus_width, focus_pad;
1447 gint x, current_width, max_height, max_pixbuf_height;
1448 GList *items, *last_item;
1449 gint maximum_layout_width;
1451 gboolean rtl = gtk_widget_get_direction (GTK_WIDGET (icon_view)) == GTK_TEXT_DIR_RTL;
1456 max_pixbuf_height = 0;
1460 gtk_widget_style_get (GTK_WIDGET (icon_view),
1461 "focus-line-width", &focus_width,
1462 "focus-padding", &focus_pad,
1465 x += ICON_VIEW_LEFT_MARGIN;
1466 current_width += ICON_VIEW_LEFT_MARGIN + ICON_VIEW_RIGHT_MARGIN;
1471 GtkIconViewItem *item = items->data;
1473 gtk_icon_view_calculate_item_size (icon_view, item);
1475 current_width += MAX (item->width, MINIMUM_ICON_ITEM_WIDTH);
1477 /* Don't add padding to the first or last icon */
1479 if (current_width > GTK_WIDGET (icon_view)->allocation.width &&
1480 items != first_item)
1483 maximum_layout_width = MAX (item->pixbuf_width, MINIMUM_ICON_ITEM_WIDTH);
1486 item->x = rtl ? GTK_WIDGET (icon_view)->allocation.width - item->width - x : x;
1487 if (item->width < MINIMUM_ICON_ITEM_WIDTH) {
1489 item->x -= (MINIMUM_ICON_ITEM_WIDTH - item->width) / 2;
1491 item->x += (MINIMUM_ICON_ITEM_WIDTH - item->width) / 2;
1492 x += (MINIMUM_ICON_ITEM_WIDTH - item->width);
1495 if (icon_view->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
1497 if (gtk_widget_get_direction (GTK_WIDGET (icon_view)) == GTK_TEXT_DIR_RTL)
1499 item->layout_x = item->x + ICON_TEXT_PADDING + focus_width + focus_pad;
1500 item->pixbuf_x = item->x + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad) + item->layout_width;
1504 item->pixbuf_x = item->x;
1505 item->layout_x = item->x + item->pixbuf_width + ICON_TEXT_PADDING + focus_width + focus_pad;
1510 item->pixbuf_x = item->x + (item->width - item->pixbuf_width) / 2;
1511 item->layout_x = item->x + (item->width - item->layout_width) / 2;
1516 max_height = MAX (max_height, item->height);
1517 max_pixbuf_height = MAX (max_pixbuf_height, item->pixbuf_height);
1519 if (current_width > *maximum_width)
1520 *maximum_width = current_width;
1526 items = items->next;
1531 *y += max_height + ICON_VIEW_ICON_PADDING;
1533 /* Now go through the row again and align the icons */
1534 for (items = first_item; items != last_item; items = items->next)
1536 GtkIconViewItem *item = items->data;
1538 if (icon_view->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
1540 item->pixbuf_y = item->y;
1541 item->layout_y = item->y + ICON_TEXT_PADDING + focus_width + focus_pad;
1545 item->pixbuf_y = item->y + (max_pixbuf_height - item->pixbuf_height);
1546 item->layout_y = item->pixbuf_y + item->pixbuf_height + ICON_TEXT_PADDING + focus_width + focus_pad;
1548 /* Update the bounding box */
1549 item->y = item->pixbuf_y;
1551 /* We may want to readjust the new y coordinate. */
1552 if (item->y + item->height > *y)
1553 *y = item->y + item->height;
1556 item->col = col - 1 - item->col;
1563 gtk_icon_view_set_adjustment_upper (GtkAdjustment *adj,
1566 if (upper != adj->upper)
1568 gdouble min = MAX (0.0, upper - adj->page_size);
1569 gboolean value_changed = FALSE;
1573 if (adj->value > min)
1576 value_changed = TRUE;
1579 gtk_adjustment_changed (adj);
1582 gtk_adjustment_value_changed (adj);
1587 gtk_icon_view_layout (GtkIconView *icon_view)
1589 gint y = 0, maximum_width = 0;
1594 if (!VALID_MODEL_AND_COLUMNS (icon_view))
1597 widget = GTK_WIDGET (icon_view);
1598 icons = icon_view->priv->items;
1600 y += ICON_VIEW_TOP_MARGIN;
1605 icons = gtk_icon_view_layout_single_row (icon_view, icons, &y, &maximum_width, row);
1608 while (icons != NULL);
1610 if (maximum_width != icon_view->priv->width)
1612 icon_view->priv->width = maximum_width;
1614 y += ICON_VIEW_BOTTOM_MARGIN;
1616 if (y != icon_view->priv->height)
1618 icon_view->priv->height = y;
1621 gtk_icon_view_set_adjustment_upper (icon_view->priv->hadjustment, icon_view->priv->width);
1622 gtk_icon_view_set_adjustment_upper (icon_view->priv->vadjustment, icon_view->priv->height);
1624 if (GTK_WIDGET_REALIZED (icon_view))
1626 gdk_window_resize (icon_view->priv->bin_window,
1627 MAX (icon_view->priv->width, widget->allocation.width),
1628 MAX (icon_view->priv->height, widget->allocation.height));
1631 if (icon_view->priv->layout_idle_id != 0)
1633 g_source_remove (icon_view->priv->layout_idle_id);
1634 icon_view->priv->layout_idle_id = 0;
1637 gtk_widget_queue_draw (GTK_WIDGET (icon_view));
1640 /* Updates the pango layout and calculates the size */
1642 gtk_icon_view_calculate_item_size (GtkIconView *icon_view,
1643 GtkIconViewItem *item)
1645 gint focus_width, focus_pad;
1646 gint layout_width, layout_height;
1647 gint maximum_layout_width;
1650 if (item->width != -1 && item->width != -1)
1653 gtk_widget_style_get (GTK_WIDGET (icon_view),
1654 "focus-line-width", &focus_width,
1655 "focus-padding", &focus_pad,
1658 if (icon_view->priv->pixbuf_column != -1)
1660 pixbuf = gtk_icon_view_get_item_icon (icon_view, item);
1661 item->pixbuf_width = gdk_pixbuf_get_width (pixbuf);
1662 item->pixbuf_height = gdk_pixbuf_get_height (pixbuf);
1663 g_object_unref (pixbuf);
1667 item->pixbuf_width = 0;
1668 item->pixbuf_height = 0;
1671 maximum_layout_width = MAX (item->pixbuf_width, MINIMUM_ICON_ITEM_WIDTH);
1673 if (icon_view->priv->markup_column != 1 ||
1674 icon_view->priv->text_column != -1)
1676 gtk_icon_view_update_item_text (icon_view, item);
1678 pango_layout_set_alignment (icon_view->priv->layout, PANGO_ALIGN_CENTER);
1679 pango_layout_set_width (icon_view->priv->layout, maximum_layout_width * PANGO_SCALE);
1681 pango_layout_get_pixel_size (icon_view->priv->layout, &layout_width, &layout_height);
1683 item->layout_width = layout_width;
1684 item->layout_height = layout_height;
1688 item->layout_width = 0;
1689 item->layout_height = 0;
1692 if (icon_view->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
1694 item->width = layout_width + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad) + item->pixbuf_width;
1695 item->height = MAX (layout_height + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad), item->pixbuf_height);
1699 item->width = MAX (layout_width + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad), item->pixbuf_width);
1700 item->height = layout_height + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad) + item->pixbuf_height;
1705 gtk_icon_view_invalidate_sizes (GtkIconView *icon_view)
1707 g_list_foreach (icon_view->priv->items,
1708 (GFunc)gtk_icon_view_item_invalidate_size, NULL);
1712 gtk_icon_view_item_invalidate_size (GtkIconViewItem *item)
1719 create_colorized_pixbuf (GdkPixbuf *src, GdkColor *new_color)
1722 gint width, height, has_alpha, src_row_stride, dst_row_stride;
1723 gint red_value, green_value, blue_value;
1724 guchar *target_pixels;
1725 guchar *original_pixels;
1730 red_value = new_color->red / 255.0;
1731 green_value = new_color->green / 255.0;
1732 blue_value = new_color->blue / 255.0;
1734 dest = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (src),
1735 gdk_pixbuf_get_has_alpha (src),
1736 gdk_pixbuf_get_bits_per_sample (src),
1737 gdk_pixbuf_get_width (src),
1738 gdk_pixbuf_get_height (src));
1740 has_alpha = gdk_pixbuf_get_has_alpha (src);
1741 width = gdk_pixbuf_get_width (src);
1742 height = gdk_pixbuf_get_height (src);
1743 src_row_stride = gdk_pixbuf_get_rowstride (src);
1744 dst_row_stride = gdk_pixbuf_get_rowstride (dest);
1745 target_pixels = gdk_pixbuf_get_pixels (dest);
1746 original_pixels = gdk_pixbuf_get_pixels (src);
1748 for (i = 0; i < height; i++) {
1749 pixdest = target_pixels + i*dst_row_stride;
1750 pixsrc = original_pixels + i*src_row_stride;
1751 for (j = 0; j < width; j++) {
1752 *pixdest++ = (*pixsrc++ * red_value) >> 8;
1753 *pixdest++ = (*pixsrc++ * green_value) >> 8;
1754 *pixdest++ = (*pixsrc++ * blue_value) >> 8;
1756 *pixdest++ = *pixsrc++;
1764 gtk_icon_view_paint_item (GtkIconView *icon_view,
1765 GtkIconViewItem *item,
1768 gint focus_width, focus_pad;
1769 GdkPixbuf *pixbuf, *tmp;
1772 if (!VALID_MODEL_AND_COLUMNS (icon_view))
1775 gtk_widget_style_get (GTK_WIDGET (icon_view),
1776 "focus-line-width", &focus_width,
1777 "focus-padding", &focus_pad,
1780 if (GTK_WIDGET_HAS_FOCUS (icon_view))
1781 state = GTK_STATE_SELECTED;
1783 state = GTK_STATE_ACTIVE;
1785 if (icon_view->priv->pixbuf_column != -1)
1787 tmp = gtk_icon_view_get_item_icon (icon_view, item);
1790 pixbuf = create_colorized_pixbuf (tmp,
1791 >K_WIDGET (icon_view)->style->base[state]);
1792 g_object_unref (tmp);
1797 gdk_draw_pixbuf (icon_view->priv->bin_window, NULL, pixbuf,
1799 item->pixbuf_x, item->pixbuf_y,
1800 item->pixbuf_width, item->pixbuf_height,
1801 GDK_RGB_DITHER_NORMAL,
1802 item->pixbuf_width, item->pixbuf_height);
1803 g_object_unref (pixbuf);
1806 if (icon_view->priv->text_column != -1)
1810 gdk_draw_rectangle (icon_view->priv->bin_window,
1811 GTK_WIDGET (icon_view)->style->base_gc[state],
1813 item->layout_x - ICON_TEXT_PADDING,
1814 item->layout_y - ICON_TEXT_PADDING,
1815 item->layout_width + 2 * ICON_TEXT_PADDING,
1816 item->layout_height + 2 * ICON_TEXT_PADDING);
1819 gtk_icon_view_update_item_text (icon_view, item);
1820 gtk_paint_layout (GTK_WIDGET (icon_view)->style,
1821 icon_view->priv->bin_window,
1822 item->selected ? state : GTK_STATE_NORMAL,
1823 TRUE, area, GTK_WIDGET (icon_view), "icon_view",
1824 item->layout_x - ((item->width - item->layout_width) / 2) - (MAX (item->pixbuf_width, MINIMUM_ICON_ITEM_WIDTH) - item->width) / 2,
1826 icon_view->priv->layout);
1828 if (GTK_WIDGET_HAS_FOCUS (icon_view) &&
1829 item == icon_view->priv->cursor_item)
1830 gtk_paint_focus (GTK_WIDGET (icon_view)->style,
1831 icon_view->priv->bin_window,
1834 GTK_WIDGET (icon_view),
1836 item->layout_x - ICON_TEXT_PADDING - focus_width - focus_pad,
1837 item->layout_y - ICON_TEXT_PADDING - focus_width - focus_pad,
1838 item->layout_width + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad),
1839 item->layout_height + 2 * (ICON_TEXT_PADDING + focus_width + focus_pad));
1844 gtk_gdk_color_to_rgb (const GdkColor *color)
1847 result = (0xff0000 | (color->red & 0xff00));
1849 result |= ((color->green & 0xff00) | (color->blue >> 8));
1854 gtk_icon_view_paint_rubberband (GtkIconView *icon_view,
1860 GdkRectangle rubber_rect;
1861 GdkColor *fill_color_gdk;
1863 guchar fill_color_alpha;
1865 rubber_rect.x = MIN (icon_view->priv->rubberband_x1, icon_view->priv->rubberband_x2);
1866 rubber_rect.y = MIN (icon_view->priv->rubberband_y1, icon_view->priv->rubberband_y2);
1867 rubber_rect.width = ABS (icon_view->priv->rubberband_x1 - icon_view->priv->rubberband_x2) + 1;
1868 rubber_rect.height = ABS (icon_view->priv->rubberband_y1 - icon_view->priv->rubberband_y2) + 1;
1870 if (!gdk_rectangle_intersect (&rubber_rect, area, &rect))
1873 gtk_widget_style_get (GTK_WIDGET (icon_view),
1874 "selection_box_color", &fill_color_gdk,
1875 "selection_box_alpha", &fill_color_alpha,
1878 if (!fill_color_gdk) {
1879 fill_color_gdk = gdk_color_copy (>K_WIDGET (icon_view)->style->base[GTK_STATE_SELECTED]);
1882 fill_color = gtk_gdk_color_to_rgb (fill_color_gdk) << 8 | fill_color_alpha;
1884 if (!gdk_draw_rectangle_alpha_libgtk_only (icon_view->priv->bin_window,
1885 rect.x, rect.y, rect.width, rect.height,
1887 fill_color_alpha << 8 | fill_color_alpha))
1889 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, rect.width, rect.height);
1890 gdk_pixbuf_fill (pixbuf, fill_color);
1892 gdk_draw_pixbuf (icon_view->priv->bin_window, NULL, pixbuf,
1895 rect.width, rect.height,
1896 GDK_RGB_DITHER_NONE,
1898 g_object_unref (pixbuf);
1901 gc = gdk_gc_new (icon_view->priv->bin_window);
1902 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
1903 gdk_gc_set_clip_rectangle (gc, &rect);
1904 gdk_draw_rectangle (icon_view->priv->bin_window,
1906 rubber_rect.x, rubber_rect.y,
1907 rubber_rect.width - 1, rubber_rect.height - 1);
1908 gdk_color_free (fill_color_gdk);
1909 g_object_unref (gc);
1913 gtk_icon_view_queue_draw_item (GtkIconView *icon_view,
1914 GtkIconViewItem *item)
1920 rect.width = item->width;
1921 rect.height = item->height;
1923 if (icon_view->priv->bin_window)
1924 gdk_window_invalidate_rect (icon_view->priv->bin_window, &rect, TRUE);
1928 layout_callback (gpointer user_data)
1930 GtkIconView *icon_view;
1932 icon_view = GTK_ICON_VIEW (user_data);
1934 icon_view->priv->layout_idle_id = 0;
1936 gtk_icon_view_layout (icon_view);
1942 gtk_icon_view_queue_layout (GtkIconView *icon_view)
1944 if (icon_view->priv->layout_idle_id != 0)
1947 icon_view->priv->layout_idle_id = g_idle_add (layout_callback, icon_view);
1951 gtk_icon_view_set_cursor_item (GtkIconView *icon_view,
1952 GtkIconViewItem *item)
1954 if (icon_view->priv->cursor_item == item)
1957 if (icon_view->priv->cursor_item != NULL)
1958 gtk_icon_view_queue_draw_item (icon_view, icon_view->priv->cursor_item);
1960 icon_view->priv->cursor_item = item;
1961 gtk_icon_view_queue_draw_item (icon_view, item);
1965 static GtkIconViewItem *
1966 gtk_icon_view_item_new (void)
1968 GtkIconViewItem *item;
1970 item = g_new0 (GtkIconViewItem, 1);
1979 gtk_icon_view_item_free (GtkIconViewItem *item)
1981 g_return_if_fail (item != NULL);
1987 gtk_icon_view_update_item_text (GtkIconView *icon_view,
1988 GtkIconViewItem *item)
1990 gboolean iters_persist;
1995 iters_persist = gtk_tree_model_get_flags (icon_view->priv->model) & GTK_TREE_MODEL_ITERS_PERSIST;
1999 path = gtk_tree_path_new_from_indices (item->index, -1);
2000 gtk_tree_model_get_iter (icon_view->priv->model, &iter, path);
2001 gtk_tree_path_free (path);
2006 if (icon_view->priv->markup_column != -1)
2008 gtk_tree_model_get (icon_view->priv->model, &iter,
2009 icon_view->priv->markup_column, &text,
2011 pango_layout_set_markup (icon_view->priv->layout, text, -1);
2015 gtk_tree_model_get (icon_view->priv->model, &iter,
2016 icon_view->priv->text_column, &text,
2018 pango_layout_set_text (icon_view->priv->layout, text, -1);
2025 gtk_icon_view_get_item_icon (GtkIconView *icon_view,
2026 GtkIconViewItem *item)
2028 gboolean iters_persist;
2033 g_return_val_if_fail (item != NULL, NULL);
2035 iters_persist = gtk_tree_model_get_flags (icon_view->priv->model) & GTK_TREE_MODEL_ITERS_PERSIST;
2039 path = gtk_tree_path_new_from_indices (item->index, -1);
2040 gtk_tree_model_get_iter (icon_view->priv->model, &iter, path);
2041 gtk_tree_path_free (path);
2046 gtk_tree_model_get (icon_view->priv->model, &iter,
2047 icon_view->priv->pixbuf_column, &pixbuf,
2054 static GtkIconViewItem *
2055 gtk_icon_view_get_item_at_pos (GtkIconView *icon_view,
2061 for (items = icon_view->priv->items; items; items = items->next)
2063 GtkIconViewItem *item = items->data;
2065 if (x > item->x && x < item->x + item->width &&
2066 y > item->y && y < item->y + item->height)
2068 gint layout_x = item->x + (item->width - item->layout_width) / 2;
2069 /* Check if the mouse is inside the icon or the label */
2070 if ((x > item->pixbuf_x && x < item->pixbuf_x + item->pixbuf_width &&
2071 y > item->pixbuf_y && y < item->pixbuf_y + item->pixbuf_height) ||
2072 (x > layout_x - ICON_TEXT_PADDING &&
2073 x < layout_x + item->layout_width + ICON_TEXT_PADDING * 2 &&
2074 y > item->layout_y - ICON_TEXT_PADDING
2075 && y < item->layout_y + item->layout_height + ICON_TEXT_PADDING * 2))
2084 gtk_icon_view_select_item (GtkIconView *icon_view,
2085 GtkIconViewItem *item)
2087 g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
2088 g_return_if_fail (item != NULL);
2093 if (icon_view->priv->selection_mode == GTK_SELECTION_NONE)
2095 else if (icon_view->priv->selection_mode != GTK_SELECTION_MULTIPLE)
2096 gtk_icon_view_unselect_all_internal (icon_view);
2098 item->selected = TRUE;
2100 gtk_icon_view_queue_draw_item (icon_view, item);
2102 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
2107 gtk_icon_view_unselect_item (GtkIconView *icon_view,
2108 GtkIconViewItem *item)
2110 g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
2111 g_return_if_fail (item != NULL);
2113 if (!item->selected)
2116 if (icon_view->priv->selection_mode == GTK_SELECTION_NONE ||
2117 icon_view->priv->selection_mode == GTK_SELECTION_BROWSE)
2120 item->selected = FALSE;
2122 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
2124 gtk_icon_view_queue_draw_item (icon_view, item);
2128 verify_items (GtkIconView *icon_view)
2133 for (items = icon_view->priv->items; items; items = items->next)
2135 GtkIconViewItem *item = items->data;
2137 if (item->index != i)
2138 g_error ("List item does not match its index: item index %d and list index %d\n", item->index, i);
2145 gtk_icon_view_row_changed (GtkTreeModel *model,
2150 GtkIconViewItem *item;
2152 GtkIconView *icon_view;
2154 icon_view = GTK_ICON_VIEW (data);
2156 index = gtk_tree_path_get_indices(path)[0];
2157 item = g_list_nth (icon_view->priv->items, index)->data;
2159 gtk_icon_view_item_invalidate_size (item);
2160 gtk_icon_view_queue_layout (icon_view);
2162 verify_items (icon_view);
2166 gtk_icon_view_row_inserted (GtkTreeModel *model,
2172 GtkIconViewItem *item;
2173 gboolean iters_persist;
2174 GtkIconView *icon_view;
2177 icon_view = GTK_ICON_VIEW (data);
2178 iters_persist = gtk_tree_model_get_flags (icon_view->priv->model) & GTK_TREE_MODEL_ITERS_PERSIST;
2180 length = gtk_tree_model_iter_n_children (model, NULL);
2181 index = gtk_tree_path_get_indices(path)[0];
2183 item = gtk_icon_view_item_new ();
2188 item->index = index;
2190 /* FIXME: We can be more efficient here,
2191 we can store a tail pointer and use that when
2192 appending (which is a rather common operation)
2194 icon_view->priv->items = g_list_insert (icon_view->priv->items,
2197 list = g_list_nth (icon_view->priv->items, index + 1);
2198 for (; list; list = list->next)
2205 verify_items (icon_view);
2209 gtk_icon_view_row_deleted (GtkTreeModel *model,
2214 GtkIconView *icon_view;
2215 GtkIconViewItem *item;
2217 gboolean emit = FALSE;
2219 icon_view = GTK_ICON_VIEW (data);
2221 index = gtk_tree_path_get_indices(path)[0];
2223 list = g_list_nth (icon_view->priv->items, index);
2226 if (item == icon_view->priv->anchor_item)
2227 icon_view->priv->anchor_item = NULL;
2229 if (item == icon_view->priv->cursor_item)
2230 icon_view->priv->cursor_item = NULL;
2235 gtk_icon_view_item_free (item);
2237 for (next = list->next; next; next = next->next)
2244 icon_view->priv->items = g_list_delete_link (icon_view->priv->items, list);
2246 gtk_icon_view_queue_layout (icon_view);
2248 verify_items (icon_view);
2251 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
2255 gtk_icon_view_rows_reordered (GtkTreeModel *model,
2256 GtkTreePath *parent,
2263 GtkIconView *icon_view;
2264 GList *items = NULL, *list;
2265 gint *inverted_order;
2266 GtkIconViewItem **item_array;
2268 icon_view = GTK_ICON_VIEW (data);
2270 length = gtk_tree_model_iter_n_children (model, NULL);
2271 inverted_order = g_new (gint, length);
2273 /* Invert the array */
2274 for (i = 0; i < length; i++)
2275 inverted_order[new_order[i]] = i;
2277 item_array = g_new (GtkIconViewItem *, length);
2278 for (i = 0, list = icon_view->priv->items; list != NULL; list = list->next, i++)
2279 item_array[inverted_order[i]] = list->data;
2281 g_free (inverted_order);
2282 for (i = 0; i < length; i++)
2284 item_array[i]->index = i;
2285 items = g_list_prepend (items, item_array[i]);
2288 g_free (item_array);
2289 g_list_free (icon_view->priv->items);
2290 icon_view->priv->items = g_list_reverse (items);
2292 verify_items (icon_view);
2296 gtk_icon_view_build_items (GtkIconView *icon_view)
2300 gboolean iters_persist;
2301 GList *items = NULL;
2303 iters_persist = gtk_tree_model_get_flags (icon_view->priv->model) & GTK_TREE_MODEL_ITERS_PERSIST;
2305 if (!gtk_tree_model_get_iter_first (icon_view->priv->model,
2313 GtkIconViewItem *item = gtk_icon_view_item_new ();
2322 items = g_list_prepend (items, item);
2324 } while (gtk_tree_model_iter_next (icon_view->priv->model, &iter));
2326 icon_view->priv->items = g_list_reverse (items);
2330 gtk_icon_view_add_move_binding (GtkBindingSet *binding_set,
2333 GtkMovementStep step,
2337 gtk_binding_entry_add_signal (binding_set, keyval, modmask,
2342 gtk_binding_entry_add_signal (binding_set, keyval, GDK_SHIFT_MASK,
2347 if ((modmask & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
2350 gtk_binding_entry_add_signal (binding_set, keyval, GDK_CONTROL_MASK | GDK_SHIFT_MASK,
2355 gtk_binding_entry_add_signal (binding_set, keyval, GDK_CONTROL_MASK,
2362 gtk_icon_view_real_move_cursor (GtkIconView *icon_view,
2363 GtkMovementStep step,
2366 GdkModifierType state;
2368 g_return_val_if_fail (GTK_ICON_VIEW (icon_view), FALSE);
2369 g_return_val_if_fail (step == GTK_MOVEMENT_LOGICAL_POSITIONS ||
2370 step == GTK_MOVEMENT_VISUAL_POSITIONS ||
2371 step == GTK_MOVEMENT_DISPLAY_LINES ||
2372 step == GTK_MOVEMENT_PAGES ||
2373 step == GTK_MOVEMENT_BUFFER_ENDS, FALSE);
2375 if (!GTK_WIDGET_HAS_FOCUS (GTK_WIDGET (icon_view)))
2378 gtk_widget_grab_focus (GTK_WIDGET (icon_view));
2380 if (gtk_get_current_event_state (&state))
2382 if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
2383 icon_view->priv->ctrl_pressed = TRUE;
2384 if ((state & GDK_SHIFT_MASK) == GDK_SHIFT_MASK)
2385 icon_view->priv->shift_pressed = TRUE;
2387 /* else we assume not pressed */
2391 case GTK_MOVEMENT_LOGICAL_POSITIONS:
2392 case GTK_MOVEMENT_VISUAL_POSITIONS:
2393 gtk_icon_view_move_cursor_left_right (icon_view, count);
2395 case GTK_MOVEMENT_DISPLAY_LINES:
2396 gtk_icon_view_move_cursor_up_down (icon_view, count);
2398 case GTK_MOVEMENT_PAGES:
2399 gtk_icon_view_move_cursor_page_up_down (icon_view, count);
2401 case GTK_MOVEMENT_BUFFER_ENDS:
2402 gtk_icon_view_move_cursor_start_end (icon_view, count);
2405 g_assert_not_reached ();
2408 icon_view->priv->ctrl_pressed = FALSE;
2409 icon_view->priv->shift_pressed = FALSE;
2414 static GtkIconViewItem *
2415 find_item (GtkIconView *icon_view,
2416 GtkIconViewItem *current,
2422 GtkIconViewItem *item;
2424 /* FIXME: this could be more efficient
2426 row = current->row + row_ofs;
2427 col = current->col + col_ofs;
2429 for (items = icon_view->priv->items; items; items = items->next)
2432 if (item->row == row && item->col == col)
2440 static GtkIconViewItem *
2441 find_item_page_up_down (GtkIconView *icon_view,
2442 GtkIconViewItem *current,
2449 y = current->y + count * icon_view->priv->vadjustment->page_size;
2451 item = g_list_find (icon_view->priv->items, current);
2456 for (next = item->next; next; next = next->next)
2458 if (((GtkIconViewItem *)next->data)->col == col)
2461 if (!next || ((GtkIconViewItem *)next->data)->y > y)
2471 for (next = item->prev; next; next = next->prev)
2473 if (((GtkIconViewItem *)next->data)->col == col)
2476 if (!next || ((GtkIconViewItem *)next->data)->y < y)
2490 gtk_icon_view_select_all_between (GtkIconView *icon_view,
2491 GtkIconViewItem *anchor,
2492 GtkIconViewItem *cursor)
2495 GtkIconViewItem *item;
2496 gint row1, row2, col1, col2;
2497 gboolean dirty = FALSE;
2499 if (anchor->row < cursor->row)
2510 if (anchor->col < cursor->col)
2521 for (items = icon_view->priv->items; items; items = items->next)
2525 if (row1 <= item->row && item->row <= row2 &&
2526 col1 <= item->col && item->col <= col2)
2528 if (!item->selected)
2531 item->selected = TRUE;
2533 gtk_icon_view_queue_draw_item (icon_view, item);
2541 gtk_icon_view_move_cursor_up_down (GtkIconView *icon_view,
2544 GtkIconViewItem *item;
2545 gboolean dirty = FALSE;
2547 if (!GTK_WIDGET_HAS_FOCUS (icon_view))
2550 if (!icon_view->priv->cursor_item)
2555 list = icon_view->priv->items;
2557 list = g_list_last (icon_view->priv->items);
2562 item = find_item (icon_view,
2563 icon_view->priv->cursor_item,
2569 if (icon_view->priv->ctrl_pressed ||
2570 !icon_view->priv->shift_pressed ||
2571 !icon_view->priv->anchor_item ||
2572 icon_view->priv->selection_mode != GTK_SELECTION_MULTIPLE)
2573 icon_view->priv->anchor_item = item;
2575 gtk_icon_view_set_cursor_item (icon_view, item);
2577 if (!icon_view->priv->ctrl_pressed &&
2578 icon_view->priv->selection_mode != GTK_SELECTION_NONE)
2580 gtk_icon_view_unselect_all_internal (icon_view);
2581 dirty = gtk_icon_view_select_all_between (icon_view,
2582 icon_view->priv->anchor_item,
2586 gtk_icon_view_scroll_to_item (icon_view, item);
2589 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
2593 gtk_icon_view_move_cursor_page_up_down (GtkIconView *icon_view,
2596 GtkIconViewItem *item;
2597 gboolean dirty = FALSE;
2599 if (!GTK_WIDGET_HAS_FOCUS (icon_view))
2602 if (!icon_view->priv->cursor_item)
2607 list = icon_view->priv->items;
2609 list = g_list_last (icon_view->priv->items);
2614 item = find_item_page_up_down (icon_view,
2615 icon_view->priv->cursor_item,
2621 if (icon_view->priv->ctrl_pressed ||
2622 !icon_view->priv->shift_pressed ||
2623 !icon_view->priv->anchor_item ||
2624 icon_view->priv->selection_mode != GTK_SELECTION_MULTIPLE)
2625 icon_view->priv->anchor_item = item;
2627 gtk_icon_view_set_cursor_item (icon_view, item);
2629 if (!icon_view->priv->ctrl_pressed &&
2630 icon_view->priv->selection_mode != GTK_SELECTION_NONE)
2632 gtk_icon_view_unselect_all_internal (icon_view);
2633 dirty = gtk_icon_view_select_all_between (icon_view,
2634 icon_view->priv->anchor_item,
2638 gtk_icon_view_scroll_to_item (icon_view, item);
2641 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
2645 gtk_icon_view_move_cursor_left_right (GtkIconView *icon_view,
2648 GtkIconViewItem *item;
2649 gboolean dirty = FALSE;
2651 if (!GTK_WIDGET_HAS_FOCUS (icon_view))
2654 if (!icon_view->priv->cursor_item)
2659 list = icon_view->priv->items;
2661 list = g_list_last (icon_view->priv->items);
2666 item = find_item (icon_view,
2667 icon_view->priv->cursor_item,
2673 if (icon_view->priv->ctrl_pressed ||
2674 !icon_view->priv->shift_pressed ||
2675 !icon_view->priv->anchor_item ||
2676 icon_view->priv->selection_mode != GTK_SELECTION_MULTIPLE)
2677 icon_view->priv->anchor_item = item;
2679 gtk_icon_view_set_cursor_item (icon_view, item);
2681 if (!icon_view->priv->ctrl_pressed &&
2682 icon_view->priv->selection_mode != GTK_SELECTION_NONE)
2684 gtk_icon_view_unselect_all_internal (icon_view);
2685 dirty = gtk_icon_view_select_all_between (icon_view,
2686 icon_view->priv->anchor_item,
2690 gtk_icon_view_scroll_to_item (icon_view, item);
2693 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
2697 gtk_icon_view_move_cursor_start_end (GtkIconView *icon_view,
2700 GtkIconViewItem *item;
2702 gboolean dirty = FALSE;
2704 if (!GTK_WIDGET_HAS_FOCUS (icon_view))
2708 list = icon_view->priv->items;
2710 list = g_list_last (icon_view->priv->items);
2717 if (icon_view->priv->ctrl_pressed ||
2718 !icon_view->priv->shift_pressed ||
2719 !icon_view->priv->anchor_item ||
2720 icon_view->priv->selection_mode != GTK_SELECTION_MULTIPLE)
2721 icon_view->priv->anchor_item = item;
2723 gtk_icon_view_set_cursor_item (icon_view, item);
2725 if (!icon_view->priv->ctrl_pressed &&
2726 icon_view->priv->selection_mode != GTK_SELECTION_NONE)
2728 gtk_icon_view_unselect_all (icon_view);
2729 dirty = gtk_icon_view_select_all_between (icon_view,
2730 icon_view->priv->anchor_item,
2734 gtk_icon_view_scroll_to_item (icon_view, item);
2737 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
2741 gtk_icon_view_scroll_to_item (GtkIconView *icon_view,
2742 GtkIconViewItem *item)
2747 gdk_window_get_geometry (icon_view->priv->bin_window, NULL, &y, NULL, &height, NULL);
2749 if (y + item->y < 0)
2751 value = icon_view->priv->vadjustment->value + y + item->y;
2752 gtk_adjustment_set_value (icon_view->priv->vadjustment, value);
2754 else if (y + item->y + item->height > GTK_WIDGET (icon_view)->allocation.height)
2756 value = icon_view->priv->vadjustment->value + y + item->y + item->height
2757 - GTK_WIDGET (icon_view)->allocation.height;
2758 gtk_adjustment_set_value (icon_view->priv->vadjustment, value);
2766 * gtk_icon_view_new:
2768 * Creates a new #GtkIconView widget
2770 * Return value: A newly created #GtkIconView widget
2775 gtk_icon_view_new (void)
2777 return g_object_new (GTK_TYPE_ICON_VIEW, NULL);
2781 * gtk_icon_view_new_with_model:
2782 * @model: The model.
2784 * Creates a new #GtkIconView widget with the model @model.
2786 * Return value: A newly created #GtkIconView widget.
2791 gtk_icon_view_new_with_model (GtkTreeModel *model)
2793 return g_object_new (GTK_TYPE_ICON_VIEW, "model", model, NULL);
2798 * gtk_icon_view_get_path_at_pos:
2799 * @icon_view: A #GtkIconView.
2800 * @x: The x position to be identified
2801 * @y: The y position to be identified
2803 * Finds the path at the point (@x, @y), relative to widget coordinates.
2805 * Return value: The #GtkTreePath corresponding to the icon or %NULL
2806 * if no icon exists at that position.
2811 gtk_icon_view_get_path_at_pos (GtkIconView *icon_view,
2815 GtkIconViewItem *item;
2818 g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), NULL);
2820 item = gtk_icon_view_get_item_at_pos (icon_view, x, y);
2825 path = gtk_tree_path_new_from_indices (item->index, -1);
2831 * gtk_icon_view_selected_foreach:
2832 * @icon_view: A #GtkIconView.
2833 * @func: The funcion to call for each selected icon.
2834 * @data: User data to pass to the function.
2836 * Calls a function for each selected icon. Note that the model or
2837 * selection cannot be modified from within this function.
2842 gtk_icon_view_selected_foreach (GtkIconView *icon_view,
2843 GtkIconViewForeachFunc func,
2848 for (list = icon_view->priv->items; list; list = list->next)
2850 GtkIconViewItem *item = list->data;
2851 GtkTreePath *path = gtk_tree_path_new_from_indices (item->index, -1);
2854 (* func) (icon_view, path, data);
2856 gtk_tree_path_free (path);
2861 * gtk_icon_view_set_selection_mode:
2862 * @icon_view: A #GtkIconView.
2863 * @mode: The selection mode
2865 * Sets the selection mode of the @icon_view.
2870 gtk_icon_view_set_selection_mode (GtkIconView *icon_view,
2871 GtkSelectionMode mode)
2873 g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
2875 if (mode == icon_view->priv->selection_mode)
2878 if (mode == GTK_SELECTION_NONE ||
2879 icon_view->priv->selection_mode == GTK_SELECTION_MULTIPLE)
2880 gtk_icon_view_unselect_all (icon_view);
2882 icon_view->priv->selection_mode = mode;
2884 g_object_notify (G_OBJECT (icon_view), "selection_mode");
2888 * gtk_icon_view_get_selection_mode:
2889 * @icon_view: A #GtkIconView.
2891 * Gets the selection mode of the @icon_view.
2893 * Return value: the current selection mode
2898 gtk_icon_view_get_selection_mode (GtkIconView *icon_view)
2900 g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), GTK_SELECTION_SINGLE);
2902 return icon_view->priv->selection_mode;
2906 * gtk_icon_view_set_model:
2907 * @icon_view: A #GtkIconView.
2908 * @model: The model.
2910 * Sets the model for a #GtkIconView.
2911 * If the @icon_view already has a model set, it will remove
2912 * it before setting the new model. If @model is %NULL, then
2913 * it will unset the old model.
2918 gtk_icon_view_set_model (GtkIconView *icon_view,
2919 GtkTreeModel *model)
2921 g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
2924 g_return_if_fail (GTK_IS_TREE_MODEL (model));
2926 if (icon_view->priv->model == model)
2931 GType pixbuf_column_type, text_column_type;
2933 g_return_if_fail (gtk_tree_model_get_flags (model) & GTK_TREE_MODEL_LIST_ONLY);
2935 if (icon_view->priv->pixbuf_column != -1)
2937 pixbuf_column_type = gtk_tree_model_get_column_type (icon_view->priv->model,
2938 icon_view->priv->pixbuf_column);
2940 g_return_if_fail (pixbuf_column_type == GDK_TYPE_PIXBUF);
2943 if (icon_view->priv->text_column != -1)
2945 text_column_type = gtk_tree_model_get_column_type (icon_view->priv->model,
2946 icon_view->priv->pixbuf_column);
2948 g_return_if_fail (text_column_type == G_TYPE_STRING);
2953 if (icon_view->priv->model)
2955 g_signal_handlers_disconnect_by_func (icon_view->priv->model,
2956 gtk_icon_view_row_changed,
2958 g_signal_handlers_disconnect_by_func (icon_view->priv->model,
2959 gtk_icon_view_row_inserted,
2961 g_signal_handlers_disconnect_by_func (icon_view->priv->model,
2962 gtk_icon_view_row_deleted,
2964 g_signal_handlers_disconnect_by_func (icon_view->priv->model,
2965 gtk_icon_view_rows_reordered,
2968 g_object_unref (icon_view->priv->model);
2970 g_list_foreach (icon_view->priv->items, (GFunc)gtk_icon_view_item_free, NULL);
2971 g_list_free (icon_view->priv->items);
2972 icon_view->priv->items = NULL;
2975 icon_view->priv->model = model;
2977 if (icon_view->priv->model)
2979 g_object_ref (icon_view->priv->model);
2980 g_signal_connect (icon_view->priv->model,
2982 G_CALLBACK (gtk_icon_view_row_changed),
2984 g_signal_connect (icon_view->priv->model,
2986 G_CALLBACK (gtk_icon_view_row_inserted),
2988 g_signal_connect (icon_view->priv->model,
2990 G_CALLBACK (gtk_icon_view_row_deleted),
2992 g_signal_connect (icon_view->priv->model,
2994 G_CALLBACK (gtk_icon_view_rows_reordered),
2997 gtk_icon_view_build_items (icon_view);
3000 g_object_notify (G_OBJECT (icon_view), "model");
3004 * gtk_icon_view_get_model:
3005 * @icon_view: a #GtkIconView
3007 * Returns the model the #GtkIconView is based on. Returns %NULL if the
3010 * Return value: A #GtkTreeModel, or %NULL if none is currently being used.
3015 gtk_icon_view_get_model (GtkIconView *icon_view)
3017 g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), NULL);
3019 return icon_view->priv->model;
3023 * gtk_icon_view_set_text_column:
3024 * @icon_view: A #GtkIconView.
3025 * @column: A column in the currently used model.
3027 * Sets the column with text for @icon_view to be @column. The text
3028 * column must be of type #G_TYPE_STRING.
3033 gtk_icon_view_set_text_column (GtkIconView *icon_view,
3036 if (column == icon_view->priv->text_column)
3040 icon_view->priv->text_column = -1;
3043 if (icon_view->priv->model != NULL)
3047 column_type = gtk_tree_model_get_column_type (icon_view->priv->model, column);
3049 g_return_if_fail (column_type == G_TYPE_STRING);
3052 icon_view->priv->text_column = column;
3055 gtk_icon_view_invalidate_sizes (icon_view);
3056 gtk_icon_view_queue_layout (icon_view);
3058 g_object_notify (G_OBJECT (icon_view), "text_column");
3062 * gtk_icon_view_get_text_column:
3063 * @icon_view: A #GtkIconView.
3065 * Returns the column with text for @icon_view.
3067 * Returns: the text column, or -1 if it's unset.
3072 gtk_icon_view_get_text_column (GtkIconView *icon_view)
3074 g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), -1);
3076 return icon_view->priv->text_column;
3080 * gtk_icon_view_set_markup_column:
3081 * @icon_view: A #GtkIconView.
3082 * @column: A column in the currently used model.
3084 * Sets the column with markup information for @icon_view to be
3085 * @column. The markup column must be of type #G_TYPE_STRING.
3086 * If the markup column is set to something, it overrides
3087 * the text column set by gtk_icon_view_set_text_column().
3092 gtk_icon_view_set_markup_column (GtkIconView *icon_view,
3095 if (column == icon_view->priv->markup_column)
3099 icon_view->priv->markup_column = -1;
3102 if (icon_view->priv->model != NULL)
3106 column_type = gtk_tree_model_get_column_type (icon_view->priv->model, column);
3108 g_return_if_fail (column_type == G_TYPE_STRING);
3111 icon_view->priv->markup_column = column;
3114 gtk_icon_view_invalidate_sizes (icon_view);
3115 gtk_icon_view_queue_layout (icon_view);
3117 g_object_notify (G_OBJECT (icon_view), "markup_column");
3121 * gtk_icon_view_get_markup_column:
3122 * @icon_view: A #GtkIconView.
3124 * Returns the column with markup text for @icon_view.
3126 * Returns: the markup column, or -1 if it's unset.
3131 gtk_icon_view_get_markup_column (GtkIconView *icon_view)
3133 g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), -1);
3135 return icon_view->priv->markup_column;
3139 * gtk_icon_view_set_pixbuf_column:
3140 * @icon_view: A #GtkIconView.
3141 * @column: A column in the currently used model.
3143 * Sets the column with pixbufs for @icon_view to be @column. The pixbuf
3144 * column must be of type #GDK_TYPE_PIXBUF
3149 gtk_icon_view_set_pixbuf_column (GtkIconView *icon_view,
3152 if (column == icon_view->priv->pixbuf_column)
3156 icon_view->priv->pixbuf_column = -1;
3159 if (icon_view->priv->model != NULL)
3163 column_type = gtk_tree_model_get_column_type (icon_view->priv->model, column);
3165 g_return_if_fail (column_type == GDK_TYPE_PIXBUF);
3168 icon_view->priv->pixbuf_column = column;
3171 gtk_icon_view_invalidate_sizes (icon_view);
3172 gtk_icon_view_queue_layout (icon_view);
3174 g_object_notify (G_OBJECT (icon_view), "pixbuf_column");
3179 * gtk_icon_view_get_pixbuf_column:
3180 * @icon_view: A #GtkIconView.
3182 * Returns the column with pixbufs for @icon_view.
3184 * Returns: the pixbuf column, or -1 if it's unset.
3189 gtk_icon_view_get_pixbuf_column (GtkIconView *icon_view)
3191 g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), -1);
3193 return icon_view->priv->pixbuf_column;
3197 * gtk_icon_view_select_path:
3198 * @icon_view: A #GtkIconView.
3199 * @path: The #GtkTreePath to be selected.
3201 * Selects the row at @path.
3206 gtk_icon_view_select_path (GtkIconView *icon_view,
3209 GtkIconViewItem *item;
3211 g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
3212 g_return_if_fail (icon_view->priv->model != NULL);
3213 g_return_if_fail (path != NULL);
3215 item = g_list_nth (icon_view->priv->items,
3216 gtk_tree_path_get_indices(path)[0])->data;
3221 gtk_icon_view_select_item (icon_view, item);
3225 * gtk_icon_view_unselect_path:
3226 * @icon_view: A #GtkIconView.
3227 * @path: The #GtkTreePath to be unselected.
3229 * Unselects the row at @path.
3234 gtk_icon_view_unselect_path (GtkIconView *icon_view,
3237 GtkIconViewItem *item;
3239 g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
3240 g_return_if_fail (icon_view->priv->model != NULL);
3241 g_return_if_fail (path != NULL);
3243 item = g_list_nth (icon_view->priv->items,
3244 gtk_tree_path_get_indices(path)[0])->data;
3249 gtk_icon_view_unselect_item (icon_view, item);
3253 * gtk_icon_view_get_selected_items:
3254 * @icon_view: A #GtkIconView.
3256 * Creates a list of path of all selected items. Additionally, if you are
3257 * planning on modifying the model after calling this function, you may
3258 * want to convert the returned list into a list of #GtkTreeRowReference<!-- -->s.
3259 * To do this, you can use gtk_tree_row_reference_new().
3261 * To free the return value, use:
3262 * <informalexample><programlisting>
3263 * g_list_foreach (list, gtk_tree_path_free, NULL);
3264 * g_list_free (list);
3265 * </programlisting></informalexample>
3267 * Return value: A #GList containing a #GtkTreePath for each selected row.
3272 gtk_icon_view_get_selected_items (GtkIconView *icon_view)
3275 GList *selected = NULL;
3277 g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), NULL);
3279 for (list = icon_view->priv->items; list != NULL; list = list->next)
3281 GtkIconViewItem *item = list->data;
3285 GtkTreePath *path = gtk_tree_path_new_from_indices (item->index, -1);
3287 selected = g_list_prepend (selected, path);
3295 * gtk_icon_view_select_all:
3296 * @icon_view: A #GtkIconView.
3298 * Selects all the icons. @icon_view must has its selection mode set
3299 * to #GTK_SELECTION_MULTIPLE.
3304 gtk_icon_view_select_all (GtkIconView *icon_view)
3307 gboolean dirty = FALSE;
3309 g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
3311 if (icon_view->priv->selection_mode != GTK_SELECTION_MULTIPLE)
3314 for (items = icon_view->priv->items; items; items = items->next)
3316 GtkIconViewItem *item = items->data;
3318 if (!item->selected)
3321 item->selected = TRUE;
3322 gtk_icon_view_queue_draw_item (icon_view, item);
3327 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
3331 * gtk_icon_view_unselect_all:
3332 * @icon_view: A #GtkIconView.
3334 * Unselects all the icons.
3339 gtk_icon_view_unselect_all (GtkIconView *icon_view)
3341 gboolean dirty = FALSE;
3343 g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
3345 if (icon_view->priv->selection_mode == GTK_SELECTION_BROWSE)
3348 dirty = gtk_icon_view_unselect_all_internal (icon_view);
3351 g_signal_emit (icon_view, icon_view_signals[SELECTION_CHANGED], 0);
3355 * gtk_icon_view_path_is_selected:
3356 * @icon_view: A #GtkIconView.
3357 * @path: A #GtkTreePath to check selection on.
3359 * Returns %TRUE if the icon pointed to by @path is currently
3360 * selected. If @icon does not point to a valid location, %FALSE is returned.
3362 * Return value: %TRUE if @path is selected.
3367 gtk_icon_view_path_is_selected (GtkIconView *icon_view,
3370 GtkIconViewItem *item;
3372 g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view), FALSE);
3373 g_return_val_if_fail (icon_view->priv->model != NULL, FALSE);
3374 g_return_val_if_fail (path != NULL, FALSE);
3376 item = g_list_nth (icon_view->priv->items,
3377 gtk_tree_path_get_indices(path)[0])->data;
3382 return item->selected;
3386 * gtk_icon_view_item_activated:
3387 * @icon_view: A #GtkIconView
3388 * @path: The #GtkTreePath to be activated
3390 * Activates the item determined by @path.
3395 gtk_icon_view_item_activated (GtkIconView *icon_view,
3398 g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
3399 g_return_if_fail (path != NULL);
3401 g_signal_emit (G_OBJECT (icon_view), icon_view_signals[ITEM_ACTIVATED], 0, path);
3405 * gtk_icon_view_set_orientation:
3406 * @icon_view: a #GtkIconView
3407 * @orientation: the relative position of texts and icons
3409 * Sets the ::orientation property which determines whether the labels
3410 * are drawn beside the icons instead of below.
3415 gtk_icon_view_set_orientation (GtkIconView *icon_view,
3416 GtkOrientation orientation)
3418 g_return_if_fail (GTK_IS_ICON_VIEW (icon_view));
3420 if (icon_view->priv->orientation != orientation)
3422 icon_view->priv->orientation = orientation;
3424 gtk_icon_view_invalidate_sizes (icon_view);
3425 gtk_icon_view_queue_layout (icon_view);
3427 g_object_notify (G_OBJECT (icon_view), "orientation");
3432 * gtk_icon_view_get_orientation:
3433 * @icon_view: a #GtkIconView
3435 * Returns the value of the ::orientation property which determines
3436 * whether the labels are drawn beside the icons instead of below.
3438 * Return value: the relative position of texts and icons
3443 gtk_icon_view_get_orientation (GtkIconView *icon_view)
3445 g_return_val_if_fail (GTK_IS_ICON_VIEW (icon_view),
3446 GTK_ORIENTATION_VERTICAL);
3448 return icon_view->priv->orientation;